Arrah in context: Street-network sprawl trends
Arrah in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Arrah plotted against Bihar and India. The SNDi of new construction in Arrah rose steadily, compared to Bihar which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Arrah's incremental SNDi rose from 5.2 to 6.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Arrah ranked 197th out of 264 cities in Bihar and 1571st out of 1868 in India as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 6.83
- Rank in India
- 1541st of 1868
- Rank in Bihar
- 203rd of 264
Entire Network (Aggregate)
- SNDi value
- 5.27
- Rank in India
- 1571st of 1868
- Rank in Bihar
- 197th of 264
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Arrah built increasingly disconnected streets over time, while Kerman built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Seeb fluctuated in its street-construction patterns. For the full network, Arrah became progressively more disconnected, while Kerman became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Seeb fluctuated in connectivity. Arrah and Kerman have been growing further apart in their street-network character since 1975.